[Nspcsg] Meeting Report

[AZOULAI, Laurent]

Dear Tim,
I don't see any section reporting Flimsy 13 presentation and discussion. Indeed, it provides justification of open issues with regard to VDB link budget over runway surface and intended work plan.

In the guided take-off report (WP21), could you fix my name "azoulai" instead of "azouli"

Thank you.

Kind regards,

Laurent Azoulai

De : Nspcsg [mailto:nspcsg-bounces at aeronav.net] De la part de barbara.clark at faa.gov
Envoyé : jeudi 16 octobre 2014 12:56
À : tim.murphy at boeing.com
Cc : nspcsg at aeronav.net
Objet : Re: [Nspcsg] Meeting Report

Tim -

Some additional thoughts:


(1)    Editorial:  To avoid duplicating the information under WP-17, I suggest replacing the second sentence under WP-18 with "Tim Murphy, as CSG rapporteur, briefly introduced the paper."

(2)    I didn't see any mention of the extended service volume discussion we had in the report. If the discussion in the working group meeting touched on this topic, it might be good to include that in the future work section.  If not, we might want to add a sentence or two, perhaps something like:  "During the CSG discussions, it was clear that the group should standardize an extended service volume for GBAS precision approach services (GAST C and D).  How and when this could be accomplished is expected to be addressed by the CSG in the near term."

(3)    I think we should pick up on Pierre's thread below on the IGM requirements and validation during today's telecon. We need to have a common understanding of what we expect the group is working on for February, even if we anticipate different levels of progress.

- Barba

From: Nspcsg [mailto:nspcsg-bounces at aeronav.net] On Behalf Of Pierre LADOUX
Sent: Tuesday, October 14, 2014 12:29 PM
To: MURPHY Tim
Cc: nspcsg at aeronav.net<mailto:nspcsg at aeronav.net>
Subject: Re: [Nspcsg] Meeting Report

Dear Tim,

thanks for the report. I would have the following inputs/comments:

-Inputs on EUROCAE WG-28 status: new ToR under endorsement. It is planned that the main activity will be driven by the development of a ground subsystem MOPS that will be in-line with ICAO GAST-D SARPs (target date is Q2 2017).

- AI#177: SARPS proposal for separation criteria for GBAS VDB versus VHF COM as well as GBAS VDB versus ILS => due date is Feb 2015 and not Feb 2014

- AI#181: VDB link budget issues => I think I made the suggestion that any proposed changes are discussed also at CNTSG. That was at least welcomed by Laurent but this is not reflected in the report.

- Work plan in relation with AI#183 (Proposed Modification for GAST D Anomalous Ionosphere Gradient Requirements): this was not really discussed but my interpretation is that validating the new requirements will take time. Even if we assume a stable definition of the IGM requirements within a relative short-time frame,  we need (at least on SESAR side) to consider the necessary time for ground manufacturers to implement the changes on the GAST-D ground prototypes and then the time to validate them on site. I'm afraid that the validation of the IGM requirements by February 2015 is not achievable.

Best regards,

Pierre LADOUX

DSNA/DTI/CNS/NAV

Navigation Unit - GNSS/GBAS

1, Av du Dr Maurice Grynfogel

BP 53584

31035 Toulouse Cedex 1

Tel : +33 5 62 14 57 24 - Fax : +33 5 62 14 54 01
Le 09/10/2014 23:28, Murphy, Tim a écrit :
CSG members.

Please find attached a draft of the meeting report for the CSG meeting last week.   Please review and provide comments, corrections, additions or repairs  by 10/15/2014.

We will also be having a CSG planning teleconference on 10/16 at 7 AM Seattle time.  Please save the date.  Telecon/Webex details will be set out prior to the meeting.

Thanks
Tim Murphy
Senior Technical Fellow
Boeing Commercial Airplane Group
Electronic Systems
(425) 965 6744 <- New!
Cell (425) 280-6844
Fax (425) 342-5812




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